YH067 进口试水膏 进口量油膏
（试水膏遇水后变红色量油膏油后变红色）
分85g、50g两种包装
YH067 Cream for inlet water test cream
Cream for outlet oil measuring
(Water test cream turns red when meeting water and oil measuring cream turns red when meeting oil)
It has two packages:85g and 50g